2758000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{197}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 7660224

約数和(自身を除く): 4902224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 197, 200, 250, 280, 350, 394, 400, 500, 560, 700, 788, 875, 985, 1000, 1379, 1400, 1576, 1750, 1970, 2000, 2758, 2800, 3152, 3500, 3940, 4925, 5516, 6895, 7000, 7880, 9850, 11032, 13790, 14000, 15760, 19700, 22064, 24625, 27580, 34475, 39400, 49250, 55160, 68950, 78800, 98500, 110320, 137900, 172375, 197000, 275800, 344750, 394000, 551600, 689500, 1379000, 2758000]

約数ペア:

[(1, 2758000), (2, 1379000), (4, 689500), (5, 551600), (7, 394000), (8, 344750), (10, 275800), (14, 197000), (16, 172375), (20, 137900), (25, 110320), (28, 98500), (35, 78800), (40, 68950), (50, 55160), (56, 49250), (70, 39400), (80, 34475), (100, 27580), (112, 24625), (125, 22064), (140, 19700), (175, 15760), (197, 14000), (200, 13790), (250, 11032), (280, 9850), (350, 7880), (394, 7000), (400, 6895), (500, 5516), (560, 4925), (700, 3940), (788, 3500), (875, 3152), (985, 2800), (1000, 2758), (1379, 2000), (1400, 1970), (1576, 1750)]